Adaptive Vertical Handover Algorithm Based on User Experience for Heterogeneous Network

被引:0
|
作者
Li, Xiaobin [1 ]
Chen, Renfeng [1 ]
机构
[1] Shenzhen Univ, Shenzhen Key Lab Adv Commun & Informat Proc, Shenzhen, Peoples R China
来源
2013 6TH INTERNATIONAL CONGRESS ON IMAGE AND SIGNAL PROCESSING (CISP), VOLS 1-3 | 2013年
关键词
heterogeneous network; vertical handover; cost function; adaptation;
D O I
暂无
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
Aiming at the problems of vertical handover in heterogeneous network, an adaptive vertical handover algorithm based on user experience is presented. User experience is embodied by cost function including following parameters, cost, security, power-consumption, received signal strength and signal delay. Adaptive function is introduced to dynamically adjust the above weight values, thereafter to realize adaptation. Heterogeneous network model of WLAN and UMTS is constructed and the algorithm is simulated based on it. Simulation results show that the proposed algorithm can drastically decrease the frequency of handover in comparison with traditional vertical handover algorithm based on RSS, and then improves success ratio of handover and user's experience in vertical handover.
引用
收藏
页码:1540 / 1544
页数:5
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